Finding the Fourth Proportional to 117,474.99, 162,041.73 and 69,694.50
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Solution
The fourth proportional to 117,474.99, 162,041.73 and 69,694.50 is: 96,134.65
Step by Step Solution
- Step 1: Write the proportion equation
117,474.99 : 162,041.73 = 69,694.50 : x - Step 2: Convert to fraction form
117,474.99/162,041.73 = 69,694.50/x - Step 3: Cross multiply
117,474.99x = 162,041.73 × 69,694.50 - Step 4: Simplify right side
117,474.99x = 11,293,417,351.49 - Step 5: Solve for x
x = 11,293,417,351.49/117,474.99 - Step 6: Final answer
x = 96,134.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.